Hi I Had My Iui On Last Friday Which Is

Hi I had my iui on last Friday which is on 15th Jan ,Now I'm in my post 10days of my iui and this is my first attempt as well doc asked me to use susten 8 on every alternative day ...Today I feel some white milky discharge ☹☹I'm worried a lot will b pregnant or is that symptoms for my periods ,when can I do pregnancy test ..and me and my hubby had intercourse on day 8 I'm worried that would disturbed my pergnancy...Can any one please advice